Hi mac67...
A few things with your set up need attention...
Firstly Vista-limewire-McAfee don't run well together, there are a few things you can try...
The tech from McAfee has recently given us this advice to pass on to McAfee users...
http://www.gnutellaforums.com/278483-post16.html
These where the previous fixes we advised McAfee users...
http://www.gnutellaforums.com/genera...-solution.html http://www.gnutellaforums.com/258193-post45.html
Your modem/router also has a Nat firewall and may need to be port forwarded...
These are your instructions...
Port Forwarding for the Siemens Speedstream-6520
Try those fixes first and if you still have problems we will look into your version of Java...